- #1
leonne
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Homework Statement
a wave function [tex]\Psi[/tex]=Aei(px-Et)/h where p is momentum and E=p2/2m calc group and wave velocity
Homework Equations
group vel=dw/dk
wave v=w/k
The Attempt at a Solution
I just have no idea what they did here to solve it.
i(px-Et)/h=i(kx-wt) than somehow got k=p/h than w=E/h than just used these to solve it but i don't get how they got it. Are these formulas? didn't seem them in the book. I kind of see how they got it. Did they just make it so the right side matches the left? Funny, as soon as i finish typing a problem here, i seem to figure it out.